In the film, Mr. Ruffin stages a number of slapstick efforts to reach Bernard Arnault, the chairman and chief executive of LVMH, similar to the ways Mr. Moore tried to chase down Roger B. Smith of General Motors. . .

“Merci Patron!” follows Mr. Ruffin’s efforts on behalf of Jocelyne and Serge Klur, a couple in the northern town of Forest-en-Cambrésis who lost their jobs in 2007 with the closing of a factory that had been subcontracted to make suits for LVMH brands. Production was moved to Eastern Europe.

Mr. Ruffin coaches the Klurs, who are now destitute and whose home is threatened with foreclosure. Posing as their son, with dyed blond hair, he guides them on a quest to demand 35,000 euros, about $40,000, to settle their debts and to win a minimum-wage job for Mr. Klur from LVMH and Mr. Arnault.